public class Main14 {
    public static void main(String[] args) {
        //14、编写程序输出以下结果
        //1
        //1 2
        //1 2 3
        //1 2 3 4
        //1 2 3 4 5

        for (int i = 1; i <= 5; i++) {
            for (int j = 1; j <= i; j++) {
                System.out.print(j + " ");
            }
            System.out.println();
        }
    }
}
